Transition Networks TN-CWDM-10G-1470-80 10G SFP+ Transceiver
The Transition Networks TN-CWDM-10G-1470-80 is a 10 Gigabit CWDM SFP+ transceiver module designed for industrial long-haul single-mode fiber deployments. Operating at 1470 nm wavelength, this module delivers 10G throughput over extended distances without regeneration, making it ideal for distributed security and access-control networks spanning campus infrastructure, remote facilities, and harsh-environment field sites. The industrial temperature rating (-40°C to +85°C) ensures reliable operation in uncontrolled outdoor and equipment-enclosure environments where commercial-grade optics fail.
Key Features
- 10 Gigabit CWDM Operation: 1470 nm wavelength. Long-haul single-mode fiber reach without inline amplification — reduces cost of intermediate active equipment on extended backbone runs.
- Industrial Temperature Rating: Operating range -40°C to +85°C. Field-deployable in unheated pedestals, rooftop enclosures, and industrial cabinet environments without thermal conditioning overhead.
- SFP+ Module Form Factor: Plugs into any standard 10G-capable SFP+ slot. Backward-compatible with heterogeneous switch inventory and simplifies sparing logistics across multi-vendor infrastructure.
- Single-Mode Fiber Connectivity: Designed for long-haul runs. Standard SMF-28 or equivalent; supports distances up to 40+ km per ITU-T G.959.1 spec without active repeaters.
- RoHS Compliant: Lead-free solder and hazardous-substance restrictions met — meets procurement compliance for government and enterprise supply-chain requirements.
- Lifetime Warranty: Factory-new, genuine transceiver with manufacturer warranty support for replacement or repair at end of service life.
The CWDM (Coarse Wavelength Division Multiplexing) architecture is the key operational advantage for integrators deploying backbone fiber in security camera and access-control systems. Unlike standard 10G SFP+ transceivers that occupy a single fiber pair, CWDM wavelengths allow four independent 10G channels on a single strand of dark fiber — a critical capability when running new cabling is cost-prohibitive. The 1470 nm wavelength sits at the near-infrared edge of the CWDM grid (typical 1270–1610 nm band), ensuring clean demultiplexing at passive CWDM mux/demux units with no crosstalk or performance degradation.
Industrial temperature rating is non-negotiable for outdoor or uncontrolled cabinet installations. Commercial optics specify 0°C to 70°C; in summer sun, a sealed equipment pedestal or rooftop cabinet can exceed 80°C without active cooling. The TN-CWDM-10G-1470-80 operates through those extremes without bit-error-rate drift or optical power sag — eliminating runtime surprises during seasonal temperature swings. Real-world deployments confirm that field-rated optics reduce unplanned downtime by 30-40% versus cheaper commercial alternatives in harsh climates.
Deployment is straightforward: insert the module into any available 10G SFP+ slot on a managed switch (Cisco Catalyst, Arista, Juniper, or equivalent), configure the interface with a standard IP address and up-link vlan membership, and connect to a mated transceiver on the remote end. CWDM mux/demux units are passive (no power, no cooling) and scale economically — a four-channel CWDM system fits in a 1RU patch panel and costs a fraction of DWDM gear. For security integrators deploying IP cameras, access-control readers, or intercoms across a campus or multi-building site, CWDM fiber backbone reduces capex on cable pulls and improves electrical isolation between buildings (eliminating ground-loop noise on analog integrations).
Sourced direct from the manufacturer or US channel partner — factory-new, genuine product with no grey-market risk. Compliant with RoHS and REACH directives; full datasheet and application notes available. Organizations standardizing on Transition Networks optics across 10G backbone and access networks benefit from consistent inventory, single-vendor technical support, and predictable lifecycle management across both security and data-center infrastructure.
Marty AllisonPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
We've deployed dozens of Transition Networks CWDM transceivers across campus security backbones and distributed surveillance systems, and the industrial temperature rating is the unsung hero. On paper, it's a straightforward 10G module — but the real-world win emerges when you're trying to avoid re-pulling fiber across a multi-building site or when you're upgrading legacy 1G networks to 10G without massive capex. The 1470 nm CWDM wavelength lets you run four independent 10G channels on one dark-fiber pair, which is game-changing if your customer has older fiber runs (pre-2010) with minimal strands available. The industrial temperature spec means you can rack this in an outdoor equipment shelter or rooftop cabinet without the operational anxiety of babysitting thermal thresholds — it just works in -30°F winters and 100°F summers. Against alternatives like standard commercial SFP+ modules (which derate or fail in thermal extremes) or pricier DWDM gear (which is overkill for a four-channel backbone), this module sits in a sweet spot: industrial robustness, proven interop with standard switches, and long-term sparing availability through a channel partner.
Technical Highlights:
- CWDM 1470 nm Channel Isolation: Part of the ITU CWDM grid (1270–1610 nm, 20 nm spacing). Passive mux/demux units maintain <-35 dB crosstalk — clean multi-wavelength operation on one fiber pair without active regeneration or signal degradation over 40+ km runs.
- Industrial Temperature -40°C to +85°C: No derate in optical power or receiver sensitivity across the full range. Commercial optics (0–70°C) begin losing margin at ~75°C; in outdoor fiber-termination boxes or sealed pedestals, ambient easily exceeds 80°C in summer. This module eliminates thermal-induced bit errors or unexplained link flaps.
- SFP+ Form Factor Compatibility: Inserts into any standard 10G-capable SFP+ slot on Cisco, Arista, Juniper, Dell, Huawei, or equivalent switches. No vendor lock-in; spares and replacements are interchangeable across multi-vendor infrastructure.
- Single-Mode Fiber Reach: Rated for long-haul runs — 40+ km without inline amplifiers on standard SMF-28. Typical campus deployments span 5–20 km; this module future-proofs against site expansion without equipment upgrades.
- Lifetime Warranty Coverage: Genuine factory product — not refurbished or parallel-import. Manufacturer warranty supports replacement-in-kind, reducing RMA logistics and downtime.
Deployment Considerations:
- CWDM mux/demux units are passive but require careful wavelength planning. If you're planning a four-channel backbone, map out all wavelengths (1470, 1490, 1510, 1530 nm are typical) before ordering transceivers — mixing incompatible wavelengths wastes fiber capacity.
- Fiber termination quality matters. Dirty connector ends (1470 nm is near-IR and harder to see with standard fiber-inspection scopes) cause optical power loss and intermittent link issues. Budget for fiber-cleaning supplies and an IR-capable inspection scope if deploying across multiple field sites.
- Industrial temperature rating applies to the transceiver module itself, not the switch chassis. Switches still need standard HVAC coverage or they'll thermal-throttle. Don't expect the module to save you from heat management at the central site — use it to eliminate environmental conditioning requirements at remote fiber-termination points.
- Backward compatibility with older 1G SFP slots is not possible — this is a 10G-only module. Switches must have at least one available 10G SFP+ port. Verify port availability and firmware support before ordering.
- Single-mode fiber requires precision handling and termination. Multi-mode fiber will not work and will result in immediate link loss. Confirm your installed fiber is single-mode (yellow jacket, typically SMF-28 or equivalent) before installation.
The right buyer for this module is an integrator deploying or upgrading a multi-building IP camera or access-control backbone over existing or new fiber runs, especially in uncontrolled outdoor environments or climates with temperature extremes. If you're standardizing 10G across a security network and need industrial-grade optics without the complexity or cost of DWDM, this is a proven, reliable choice. For more options and integration support, visit the Transition Networks catalog.
